2226493 has 2 divisors, whose sum is σ = 2226494. Its totient is φ = 2226492.

The previous prime is 2226479. The next prime is 2226509. The reversal of 2226493 is 3946222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1542564 + 683929 = 1242^2 + 827^2 .

It is a cyclic number.

It is not a de Polignac number, because 2226493 - 2⁵ = 2226461 is a prime.

2226493 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2226403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1113246 + 1113247.

It is an arithmetic number, because the mean of its divisors is an integer number (1113247).

2^2226493 is an apocalyptic number.

It is an amenable number.

2226493 is a deficient number, since it is larger than the sum of its proper divisors (1).

2226493 is an equidigital number, since it uses as much as digits as its factorization.

2226493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 28.

The square root of 2226493 is about 1492.1437598301. The cubic root of 2226493 is about 130.5791321906.

The spelling of 2226493 in words is "two million, two hundred twenty-six thousand, four hundred ninety-three".